package day04;

import java.util.Scanner;//1.导入一个扫描仪

public class ScannerDemo {
    public static void main(String[] args) {

        Scanner scan =new Scanner(System.in);//2.新建一个扫描仪scan
        System.out.println("请输入年龄+");
        int age =scan.nextInt();//扫描一个整数并赋值给age
        System.out.println("年龄为，"+age);
    }
}
